ID: 2457

AQSQID: 401090097

Site Name: Near Road Okc

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 19, 2022, 7:33 a.m.

Location: Oklahoma City (Meridian Ave Corridor), OK

Reporting: True, Located: True

Current AQI: 55.0

Oklahoma City (Meridian Ave Corridor) OK, US: 35.502968, -97.577674

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 6 a.m. 13.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.4 ppb (5) 43.0 μg/m3 (40) 13.7 μg/m3 (55) 55.0
 
Jan. 19, 2022, 5 a.m. 36.0 ppb (34) 4.0 ppb (4) N/A 31.0 ppb (30) N/A N/A N/A 0.7 ppb (8) 39.0 μg/m3 (37) 14.8 μg/m3 (57) 57.0
 
Jan. 19, 2022, 4 a.m. 59.0 ppb (57) 23.0 ppb (22) N/A 36.0 ppb (34) N/A N/A N/A 0.8 ppb (10) 44.0 μg/m3 (41) 15.5 μg/m3 (59) 59.0
 
Jan. 19, 2022, 3 a.m. 61.0 ppb (59) 23.0 ppb (22) N/A 37.0 ppb (35) N/A N/A N/A 0.8 ppb (10) 43.0 μg/m3 (40) 13.4 μg/m3 (54) 59.0
 
Jan. 19, 2022, 2 a.m. 56.0 ppb (54) 22.0 ppb (21) N/A 34.0 ppb (33) N/A N/A N/A 0.9 ppb (11) 40.0 μg/m3 (38) 11.5 μg/m3 (48) 54.0
 
Jan. 19, 2022, 1 a.m. 81.0 ppb (80) 35.0 ppb (34) N/A 45.0 ppb (43) N/A N/A N/A 1.1 ppb (13) 55.0 μg/m3 (51) 16.0 μg/m3 (60) 80.0
 
Jan. 19, 2022, midnight 111.0 ppb (103) 59.0 ppb (57) N/A 52.0 ppb (50) N/A N/A N/A 1.3 ppb (15) 46.0 μg/m3 (43) 13.7 μg/m3 (55) 103.0
 
Jan. 18, 2022, 11 p.m. 74.0 ppb (73) 33.0 ppb (32) N/A 41.0 ppb (39) N/A N/A N/A 1.0 ppb (12) 43.0 μg/m3 (40) 9.6 μg/m3 (40) 73.0
 
Jan. 18, 2022, 10 p.m. 56.0 ppb (54) 30.0 ppb (29) N/A 26.0 ppb (25) N/A N/A N/A 0.8 ppb (10) 50.0 μg/m3 (47) 9.5 μg/m3 (40) 54.0
 
Jan. 18, 2022, 9 p.m. 48.0 ppb (46) 26.0 ppb (25) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) 47.0 μg/m3 (44) 9.4 μg/m3 (40) 46.0
 
Jan. 18, 2022, 8 p.m. 43.0 ppb (41) 22.0 ppb (21) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) 43.0 μg/m3 (40) 9.1 μg/m3 (38) 41.0
 
Jan. 18, 2022, 7 p.m. 45.0 ppb (43) 24.0 ppb (23) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) 48.0 μg/m3 (45) 9.3 μg/m3 (39) 45.0
 
Jan. 18, 2022, 6 p.m. 51.0 ppb (49) 30.0 ppb (29) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) 46.0 μg/m3 (43) 9.1 μg/m3 (38) 49.0
 
Jan. 18, 2022, 5 p.m. 52.0 ppb (50) 31.0 ppb (30) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) 47.0 μg/m3 (44) 9.4 μg/m3 (40) 50.0
 
Jan. 18, 2022, 4 p.m. 54.0 ppb (51) 30.0 ppb (29) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) 35.0 μg/m3 (33) 8.5 μg/m3 (36) 51.0
 
Jan. 18, 2022, 3 p.m. 60.0 ppb (58) 35.0 ppb (34) N/A 25.0 ppb (24) N/A N/A N/A 0.7 ppb (8) 36.0 μg/m3 (34) 9.1 μg/m3 (38) 58.0
 
Jan. 18, 2022, 2 p.m. 70.0 ppb (69) 39.0 ppb (37) N/A 30.0 ppb (29) N/A N/A N/A 0.8 ppb (10) 33.0 μg/m3 (31) 9.0 μg/m3 (38) 69.0
 
Jan. 18, 2022, 1 p.m. 82.0 ppb (81) 45.0 ppb (43) N/A 37.0 ppb (35) N/A N/A N/A 1.0 ppb (12) 31.0 μg/m3 (29) 9.2 μg/m3 (39) 81.0
 
Jan. 18, 2022, noon 80.0 ppb (79) 42.0 ppb (40) N/A 38.0 ppb (36) N/A N/A N/A 1.0 ppb (12) 28.0 μg/m3 (26) 8.6 μg/m3 (36) 79.0
 
Jan. 18, 2022, 11 a.m. 41.0 ppb (39) 15.0 ppb (15) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) 23.0 μg/m3 (22) 8.0 μg/m3 (34) 39.0
 
Jan. 18, 2022, 10 a.m. 25.0 ppb (24) 9.0 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (20) 8.2 μg/m3 (35) 35.0
 
Jan. 18, 2022, 9 a.m. 21.0 ppb (20) 6.0 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A 0.4 ppb (5) 19.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2022, 8 a.m. 20.0 ppb (19) 4.0 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A 0.4 ppb (5) 19.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2022, 7 a.m. 18.0 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) 20.0 μg/m3 (19) 8.2 μg/m3 (35) 35.0
 
Jan. 18, 2022, 6 a.m. 28.0 ppb (27) 7.0 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (5) 21.0 μg/m3 (20) 8.9 μg/m3 (38) 38.0
 
Jan. 18, 2022, 5 a.m. 35.0 ppb (34) 10.0 ppb (10) N/A 25.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (20) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2022, 4 a.m. 40.0 ppb (38) 11.0 ppb (11) N/A 28.0 ppb (27) N/A N/A N/A 0.6 ppb (7) 23.0 μg/m3 (22) 7.3 μg/m3 (31) 38.0
 
Jan. 18, 2022, 3 a.m. 45.0 ppb (43) 17.0 ppb (17) N/A 27.0 ppb (26) N/A N/A N/A 0.6 ppb (7) 23.0 μg/m3 (22) 5.2 μg/m3 (22) 43.0
 
Jan. 18, 2022, 2 a.m. 54.0 ppb (51) 22.0 ppb (21) N/A 31.0 ppb (30) N/A N/A N/A 0.7 ppb (8) 23.0 μg/m3 (22) 5.3 μg/m3 (23) 51.0
 
Jan. 18, 2022, 1 a.m. 70.0 ppb (69) 33.0 ppb (32) N/A 37.0 ppb (35) N/A N/A N/A 0.9 ppb (11) 27.0 μg/m3 (25) 5.5 μg/m3 (23) 69.0
 
Jan. 18, 2022, midnight 72.0 ppb (71) 39.0 ppb (37) N/A 32.0 ppb (31) N/A N/A N/A 0.9 ppb (11) 28.0 μg/m3 (26) 5.5 μg/m3 (23) 71.0
 
Jan. 17, 2022, 11 p.m. 87.0 ppb (87) 48.0 ppb (46) N/A 38.0 ppb (36) N/A N/A N/A 1.0 ppb (12) 28.0 μg/m3 (26) 5.2 μg/m3 (22) 87.0
 
Jan. 17, 2022, 10 p.m. 38.0 ppb (36) 18.0 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (18) 3.7 μg/m3 (16) 36.0
 
Jan. 17, 2022, 9 p.m. 16.0 ppb (16) 7.0 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 16.0
 
Jan. 17, 2022, 8 p.m. 24.0 ppb (23) 11.0 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) 25.0 μg/m3 (24) 4.4 μg/m3 (19) 24.0
 
Jan. 17, 2022, 7 p.m. 24.0 ppb (23) 12.0 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) 22.0 μg/m3 (21) 4.6 μg/m3 (20) 23.0
 
Jan. 17, 2022, 6 p.m. 29.0 ppb (28) 15.0 ppb (15) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) 17.0 μg/m3 (16) 4.3 μg/m3 (18) 28.0
 
Jan. 17, 2022, 5 p.m. 30.0 ppb (29) 16.0 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A 0.5 ppb (6) 19.0 μg/m3 (18) 5.0 μg/m3 (21) 29.0
 
Jan. 17, 2022, 4 p.m. 31.0 ppb (30) 13.0 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) 37.0 μg/m3 (35) 8.6 μg/m3 (36) 36.0
 
Jan. 17, 2022, 3 p.m. 76.0 ppb (75) 41.0 ppb (39) N/A 34.0 ppb (33) N/A N/A N/A 0.9 ppb (11) 29.0 μg/m3 (27) 12.0 μg/m3 (50) 75.0
 
Jan. 17, 2022, 2 p.m. 128.0 ppb (107) 91.0 ppb (91) N/A 37.0 ppb (35) N/A N/A N/A 1.7 ppb (20) 30.0 μg/m3 (28) 13.3 μg/m3 (54) 107.0
 
Jan. 17, 2022, 1 p.m. 105.0 ppb (102) 71.0 ppb (70) N/A 34.0 ppb (33) N/A N/A N/A 1.3 ppb (15) 20.0 μg/m3 (19) 10.2 μg/m3 (43) 102.0
 
Jan. 17, 2022, noon 84.0 ppb (83) 51.0 ppb (49) N/A 33.0 ppb (32) N/A N/A N/A 0.9 ppb (11) 17.0 μg/m3 (16) 9.7 μg/m3 (41) 83.0
 
Jan. 17, 2022, 11 a.m. 64.0 ppb (62) 32.0 ppb (31) N/A 31.0 ppb (30) N/A N/A N/A 0.8 ppb (10) 17.0 μg/m3 (16) 8.9 μg/m3 (38) 62.0
 
Jan. 17, 2022, 10 a.m. 43.0 ppb (41) 13.0 ppb (13) N/A 30.0 ppb (29) N/A N/A N/A 0.6 ppb (7) 17.0 μg/m3 (16) 8.9 μg/m3 (38) 41.0
 
Jan. 17, 2022, 9 a.m. 45.0 ppb (43) 12.0 ppb (12) N/A 33.0 ppb (32) N/A N/A N/A 0.6 ppb (7) 20.0 μg/m3 (19) 11.6 μg/m3 (49) 49.0
 
Jan. 17, 2022, 8 a.m. 75.0 ppb (74) 41.0 ppb (39) N/A 34.0 ppb (33) N/A N/A N/A 0.9 ppb (11) 20.0 μg/m3 (19) 11.7 μg/m3 (49) 74.0
 
Jan. 17, 2022, 7 a.m. 72.0 ppb (71) 37.0 ppb (35) N/A 34.0 ppb (33) N/A N/A N/A 0.9 ppb (11) 21.0 μg/m3 (20) 12.4 μg/m3 (52) 71.0
 
Jan. 17, 2022, 6 a.m. 61.0 ppb (59) 25.0 ppb (24) N/A 35.0 ppb (34) N/A N/A N/A 0.9 ppb (11) 26.0 μg/m3 (25) 14.9 μg/m3 (57) 59.0
 
Jan. 17, 2022, 5 a.m. 51.0 ppb (49) 14.0 ppb (14) N/A 36.0 ppb (34) N/A N/A N/A 0.8 ppb (10) 39.0 μg/m3 (37) 25.7 μg/m3 (80) 80.0
 
Jan. 17, 2022, 4 a.m. 53.0 ppb (50) 21.0 ppb (20) N/A 32.0 ppb (31) N/A N/A N/A 0.7 ppb (8) 20.0 μg/m3 (19) 8.4 μg/m3 (36) 50.0
 
Jan. 17, 2022, 3 a.m. 34.0 ppb (33) 9.0 ppb (9) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) 24.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2022, 2 a.m. 100.0 ppb (100) 62.0 ppb (60) N/A 38.0 ppb (36) N/A N/A N/A 1.4 ppb (16) 47.0 μg/m3 (44) 21.9 μg/m3 (72) 100.0
 
Jan. 17, 2022, 1 a.m. 66.0 ppb (64) 29.0 ppb (28) N/A 36.0 ppb (34) N/A N/A N/A 1.2 ppb (14) 45.0 μg/m3 (42) 20.8 μg/m3 (70) 70.0
 
Jan. 17, 2022, midnight 37.0 ppb (35) 7.0 ppb (7) N/A 30.0 ppb (29) N/A N/A N/A 0.7 ppb (8) 36.0 μg/m3 (34) 15.5 μg/m3 (59) 59.0
 
Jan. 16, 2022, 11 p.m. 9.0 ppb (9) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2022, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 13.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
Jan. 16, 2022, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
Jan. 16, 2022, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
Jan. 16, 2022, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 5.6 μg/m3 (24) 24.0
 
Jan. 16, 2022, 6 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 6.3 μg/m3 (27) 27.0
 
Jan. 16, 2022, 5 p.m. 16.0 ppb (16) 5.0 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
Jan. 16, 2022, 4 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.4 ppb (5) 15.0 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Jan. 16, 2022, 3 p.m. 8.0 ppb (8) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) 30.0 μg/m3 (28) 20.6 μg/m3 (69) 69.0
 
Jan. 16, 2022, 2 p.m. 13.0 ppb (13) 3.0 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) 40.0 μg/m3 (38) 25.2 μg/m3 (79) 79.0
 
Jan. 16, 2022, 1 p.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) 36.0 μg/m3 (34) 22.9 μg/m3 (74) 74.0
 
Jan. 16, 2022, noon 11.0 ppb (11) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) 29.0 μg/m3 (27) 18.4 μg/m3 (65) 65.0
 
Jan. 16, 2022, 11 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2022, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) 9.0 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
Jan. 16, 2022, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2022, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 10.0 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
Jan. 16, 2022, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2022, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.5 μg/m3 (32) 32.0
 
Jan. 16, 2022, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2022, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2022, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2022, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.5 μg/m3 (32) 32.0
 
Jan. 16, 2022, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2022, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2022, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 10.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 15, 2022, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Jan. 15, 2022, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Jan. 15, 2022, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Jan. 15, 2022, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 7.7 μg/m3 (33) 33.0
 
Jan. 15, 2022, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Jan. 15, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 19.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 18.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
Jan. 15, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
Jan. 15, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
Jan. 15, 2022, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 13.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2022, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 17.0 μg/m3 (16) 8.2 μg/m3 (35) 35.0
 
Jan. 15, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2022, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 13.0 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
Jan. 15, 2022, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2022, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 19.0 μg/m3 (18) 7.7 μg/m3 (33) 33.0
 
Jan. 15, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 28.0 μg/m3 (26) 6.1 μg/m3 (26) 26.0
 
Jan. 15, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (4) 96.0 μg/m3 (72) 12.6 μg/m3 (53) 72.0
 
Jan. 15, 2022, 1 a.m. 15.0 ppb (15) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) 156.0 μg/m3 (102) 21.8 μg/m3 (72) 102.0
 
Jan. 15, 2022, midnight 36.0 ppb (34) 7.0 ppb (7) N/A 29.0 ppb (28) N/A N/A N/A 0.7 ppb (8) 33.0 μg/m3 (31) 8.7 μg/m3 (37) 37.0
 
Jan. 14, 2022, 11 p.m. 42.0 ppb (40) 17.0 ppb (17) N/A 24.0 ppb (23) N/A N/A N/A 0.7 ppb (8) 31.0 μg/m3 (29) 7.1 μg/m3 (30) 40.0
 
Jan. 14, 2022, 10 p.m. 56.0 ppb (54) 30.0 ppb (29) N/A 25.0 ppb (24) N/A N/A N/A 0.8 ppb (10) 35.0 μg/m3 (33) 7.1 μg/m3 (30) 54.0
 
Jan. 14, 2022, 9 p.m. 51.0 ppb (49) 28.0 ppb (27) N/A 23.0 ppb (22) N/A N/A N/A 0.8 ppb (10) 34.0 μg/m3 (32) 6.6 μg/m3 (28) 49.0
 
Jan. 14, 2022, 8 p.m. 50.0 ppb (48) 29.0 ppb (28) N/A 21.0 ppb (20) N/A N/A N/A 0.6 ppb (7) 34.0 μg/m3 (32) 6.9 μg/m3 (29) 48.0
 
Jan. 14, 2022, 7 p.m. 44.0 ppb (42) 26.0 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) 37.0 μg/m3 (35) 6.6 μg/m3 (28) 42.0
 
Jan. 14, 2022, 6 p.m. 45.0 ppb (43) 28.0 ppb (27) N/A 17.0 ppb (17) N/A N/A N/A 0.6 ppb (7) 37.0 μg/m3 (35) 6.8 μg/m3 (29) 43.0
 
Jan. 14, 2022, 5 p.m. 46.0 ppb (44) 26.0 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) 34.0 μg/m3 (32) 6.9 μg/m3 (29) 44.0
 
Jan. 14, 2022, 4 p.m. 50.0 ppb (48) 31.0 ppb (30) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) 46.0 μg/m3 (43) 8.2 μg/m3 (35) 48.0
 
Jan. 14, 2022, 3 p.m. 59.0 ppb (57) 34.0 ppb (33) N/A 25.0 ppb (24) N/A N/A N/A 0.7 ppb (8) 49.0 μg/m3 (46) 11.4 μg/m3 (48) 57.0
 
Jan. 14, 2022, 2 p.m. 77.0 ppb (76) 44.0 ppb (42) N/A 32.0 ppb (31) N/A N/A N/A 0.8 ppb (10) 50.0 μg/m3 (47) 12.1 μg/m3 (51) 76.0
 
Jan. 14, 2022, 1 p.m. 68.0 ppb (66) 40.0 ppb (38) N/A 27.0 ppb (26) N/A N/A N/A 0.9 ppb (11) 27.0 μg/m3 (25) 6.7 μg/m3 (28) 66.0
 
Jan. 14, 2022, noon 47.0 ppb (45) 25.0 ppb (24) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) 24.0 μg/m3 (23) 4.7 μg/m3 (20) 45.0
 
Jan. 14, 2022, 11 a.m. 26.0 ppb (25) 11.0 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (19) 4.8 μg/m3 (20) 25.0
 
Jan. 14, 2022, 10 a.m. 27.0 ppb (26) 9.0 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) 24.0 μg/m3 (23) 7.4 μg/m3 (31) 31.0
 
Jan. 14, 2022, 9 a.m. 64.0 ppb (62) 33.0 ppb (32) N/A 30.0 ppb (29) N/A N/A N/A 0.8 ppb (10) 30.0 μg/m3 (28) 10.9 μg/m3 (46) 62.0
 
Jan. 14, 2022, 8 a.m. 94.0 ppb (94) 63.0 ppb (61) N/A 31.0 ppb (30) N/A N/A N/A 1.3 ppb (15) 36.0 μg/m3 (34) 16.8 μg/m3 (61) 94.0
 
Jan. 14, 2022, 7 a.m. 98.0 ppb (98) 66.0 ppb (64) N/A 32.0 ppb (31) N/A N/A N/A 1.4 ppb (16) 37.0 μg/m3 (35) 16.7 μg/m3 (61) 98.0
 
Jan. 14, 2022, 6 a.m. 107.0 ppb (103) 73.0 ppb (72) N/A 33.0 ppb (32) N/A N/A N/A 1.3 ppb (15) 46.0 μg/m3 (43) 19.7 μg/m3 (67) 103.0
 
Jan. 14, 2022, 5 a.m. 110.0 ppb (103) 76.0 ppb (75) N/A 34.0 ppb (33) N/A N/A N/A 1.5 ppb (18) 43.0 μg/m3 (40) 23.1 μg/m3 (75) 103.0
 
Jan. 14, 2022, 4 a.m. 101.0 ppb (101) 66.0 ppb (64) N/A 34.0 ppb (33) N/A N/A N/A 1.4 ppb (16) 46.0 μg/m3 (43) 24.2 μg/m3 (77) 101.0
 
Jan. 14, 2022, 3 a.m. 83.0 ppb (82) 50.0 ppb (48) N/A 33.0 ppb (32) N/A N/A N/A 1.3 ppb (15) 66.0 μg/m3 (57) 23.0 μg/m3 (74) 82.0
 
Jan. 14, 2022, 2 a.m. 67.0 ppb (65) 32.0 ppb (31) N/A 34.0 ppb (33) N/A N/A N/A 1.1 ppb (13) 39.0 μg/m3 (37) 14.2 μg/m3 (56) 65.0
 
Jan. 14, 2022, 1 a.m. 60.0 ppb (58) 24.0 ppb (23) N/A 36.0 ppb (34) N/A N/A N/A 1.0 ppb (12) 32.0 μg/m3 (30) 8.3 μg/m3 (35) 58.0
 
Jan. 14, 2022, midnight 35.0 ppb (34) 7.0 ppb (7) N/A 28.0 ppb (27) N/A N/A N/A 0.7 ppb (8) 25.0 μg/m3 (24) 5.1 μg/m3 (22) 34.0
 
Jan. 13, 2022, 11 p.m. 9.0 ppb (9) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.4 ppb (5) 20.0 μg/m3 (19) 3.4 μg/m3 (15) 19.0
 
Jan. 13, 2022, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 16.0 μg/m3 (15) 3.2 μg/m3 (14) 15.0
 
Jan. 13, 2022, 9 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 19.0 μg/m3 (18) 3.7 μg/m3 (16) 18.0
 
Jan. 13, 2022, 8 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) 24.0 μg/m3 (23) 4.1 μg/m3 (18) 23.0
 
Jan. 13, 2022, 7 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 13, 2022, 6 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 4.2 μg/m3 (18) 22.0
 
Jan. 13, 2022, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Jan. 13, 2022, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 21.0 μg/m3 (20) 4.2 μg/m3 (18) 20.0
 
Jan. 13, 2022, 3 p.m. 9.0 ppb (9) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2022, 2 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) 17.0 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
Jan. 13, 2022, 1 p.m. 20.0 ppb (19) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (5) 18.0 μg/m3 (17) 5.1 μg/m3 (22) 22.0
 
Jan. 13, 2022, noon 29.0 ppb (28) 1.0 ppb (1) N/A 28.0 ppb (27) N/A N/A N/A 0.4 ppb (5) 19.0 μg/m3 (18) 5.9 μg/m3 (25) 28.0
 
Jan. 13, 2022, 11 a.m. 28.0 ppb (27) 3.0 ppb (3) N/A 25.0 ppb (24) N/A N/A N/A 0.4 ppb (5) 18.0 μg/m3 (17) 5.5 μg/m3 (23) 27.0
 
Jan. 13, 2022, 10 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (4) 19.0 μg/m3 (18) 5.1 μg/m3 (22) 22.0
 
Jan. 13, 2022, 9 a.m. 33.0 ppb (32) 8.0 ppb (8) N/A 24.0 ppb (23) N/A N/A N/A 0.4 ppb (5) 22.0 μg/m3 (21) 5.3 μg/m3 (23) 32.0
 
Jan. 13, 2022, 8 a.m. 41.0 ppb (39) 12.0 ppb (12) N/A 29.0 ppb (28) N/A N/A N/A 0.5 ppb (6) 27.0 μg/m3 (25) 9.9 μg/m3 (42) 42.0
 
Jan. 13, 2022, 7 a.m. 40.0 ppb (38) 14.0 ppb (14) N/A 26.0 ppb (25) N/A N/A N/A 0.6 ppb (7) 25.0 μg/m3 (24) 5.7 μg/m3 (24) 38.0
 
Jan. 13, 2022, 6 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2022, 5 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 7.2 μg/m3 (31) 31.0
 
Jan. 13, 2022, 4 a.m. 19.0 ppb (18) 0.0 ppb (0) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (5) 29.0 μg/m3 (27) 11.8 μg/m3 (50) 50.0
 
Jan. 13, 2022, 3 a.m. 27.0 ppb (26) 1.0 ppb (1) N/A 26.0 ppb (25) N/A N/A N/A 0.5 ppb (6) 33.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2022, 2 a.m. 58.0 ppb (56) 24.0 ppb (23) N/A 34.0 ppb (33) N/A N/A N/A 1.0 ppb (12) 52.0 μg/m3 (49) 16.6 μg/m3 (61) 61.0
 
Jan. 13, 2022, 1 a.m. 68.0 ppb (66) 31.0 ppb (30) N/A 36.0 ppb (34) N/A N/A N/A 1.0 ppb (12) 65.0 μg/m3 (56) 13.6 μg/m3 (55) 66.0
 
Jan. 13, 2022, midnight 55.0 ppb (53) 17.0 ppb (17) N/A 38.0 ppb (36) N/A N/A N/A 0.8 ppb (10) 66.0 μg/m3 (57) 11.2 μg/m3 (47) 57.0
 
Jan. 12, 2022, 11 p.m. 34.0 ppb (33) 8.0 ppb (8) N/A 26.0 ppb (25) N/A N/A N/A 0.6 ppb (7) 73.0 μg/m3 (60) 10.7 μg/m3 (45) 60.0
 
Jan. 12, 2022, 10 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) 32.0 μg/m3 (30) 6.4 μg/m3 (27) 30.0
 
Jan. 12, 2022, 9 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 25.0 μg/m3 (24) 6.1 μg/m3 (26) 26.0
 
Jan. 12, 2022, 8 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 20.0 μg/m3 (19) 5.8 μg/m3 (25) 25.0
 
Jan. 12, 2022, 7 p.m. 9.0 ppb (9) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 27.0 μg/m3 (25) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2022, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 6.6 μg/m3 (28) 28.0
 
Jan. 12, 2022, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 21.0 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
Jan. 12, 2022, 4 p.m. 7.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 18.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
Jan. 12, 2022, 3 p.m. 9.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) 16.0 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
Jan. 12, 2022, 2 p.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (14) N/A N/A N/A 0.4 ppb (5) 35.0 μg/m3 (33) 7.8 μg/m3 (33) 33.0
 
Jan. 12, 2022, 1 p.m. 16.0 ppb (16) 0.0 ppb (0) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) 11.0 μg/m3 (11) 4.9 μg/m3 (21) 21.0
 
Jan. 12, 2022, noon 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
Jan. 12, 2022, 11 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) 10.0 μg/m3 (10) 4.1 μg/m3 (18) 18.0
 
Jan. 12, 2022, 10 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Jan. 12, 2022, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2022, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
Jan. 12, 2022, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 5.6 μg/m3 (24) 24.0